“What is not started today is never finished tomorrow.”

“Whether one show one's self a man of genius in science or compose a song, the only point is, whether the thought, the discovery, the deed, is living and can live on.”

“A person hears only what they understand.”

“Duty is the demand of the hour.”

“He who cannot draw on three thousand years is living from hand to mouth.”

“How sharper than a serpent's tooth it is to have a thankless child!”

“It is a wise father that knows his own child.”

“If it be you that stirs these daughters' heartsAgainst their father, fool me not so muchTo bear it tamely; touch me with noble anger,And let not women's weapons, water drops,Stain my man's cheeks.”